ABB ZMAC-551 ACS880 Drive Board – 37-45KW IGBT Gate Driver – Tested

Product Overview

Original ABB ZMAC-551 IGBT gate driver board and power module interface for ACS880 series drives. Critical interface between the control board and IGBT power modules – amplifying PWM signals, providing galvanic isolation, and implementing advanced DESAT protection. Rated for 37-45KW / 50HP applications. Serves as the “nerve center” connecting the drive’s control logic to the power switching stage.

Key Features

• Genuine ABB original – for ACS880 series 37-45KW drives
• IGBT gate driver / power module interface board
• Advanced DESAT (desaturation) detection – microsecond-level IGBT short-circuit protection
• Active Miller clamping – prevents parasitic turn-on during high dV/dt events
• Isolation voltage: ≥6 kV AC (control to power side)
• Gate drive voltage: +15V (on) / -8V to -15V (off)
• Integrated UVLO (undervoltage lockout) and fault feedback
• Original pulled – no repair history

Specifications

Compatibility Note

• Specifically for ACS880 series 37-45KW / 50HP configurations
• Also compatible with select ACS600/ACS800 power module assemblies
• Direct mount on power module/heatsink – short gate connections
• Please verify drive model, hardware revision, and power rating before ordering
• Send drive nameplate photo for accurate matching

Quality Assurance

• Original pulled from working drive; tested functional with no repair history
• Actual photos sent before shipping
• Test video available upon request
• ESD anti-static packaging